Toyota Supra 1990 Manual page 389

Nippondenso
CORRECT
WRONG
CHARGING SYSTEM - Alternator
CH-17
CH0469
Borroughs
EC0003 EC0004 ECOOOl
WRONG
CH0086
CH0464
INSTALLATION OF ALTERNATOR
1 . INSTALL ALTERNATOR
Mount the alternator on the engine bracket with the pivot
bolt, nut and adjusting lock bolt. Do not tighten the bolts.
2. INSTALL DRIVE BELT
(a) Install the drive belt.
(b) Using a belt tension gauge, check the drive belt
tension.
Belt tension gauge:
Nippondenso BTG-20 (95506-00020) or
Borroughs No. BT-33-73F
Drive belt tension:
New belt 175
±
51b
Used belt 115
±
20 Ib
HINT:
• "New belt" refers to a belt which has been used less
than 5 minutes on a running engine.
• "Used belt" refers to a belt which has been used on a
running engine for 5 minutes or more.
• After installing the drive belt, check that it fits properly
in the ribbed grooves. Check with your hand to confirm
that the belt has not slipped out of the groove on the
bottom of the crack pulley.
• After installing a new belt, run the engine for about 5
minutes and then recheck the tension.
(c) Tighten the pivot and adjusting lock bolts.
3. CONNECT WIRING TO ALTERNATOR
(a) Connect the wire to the alternator with the nut.
(b) Connect the connector to the alternator.
4. CONNECT NEGATIVE CABLE TO BATTERY
5. PERFORM ON-VEHICLE INSPECTION
(See pages CH-2 to 5)